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[Home](./index.md) &gt; [web-tls](./web-tls.md) &gt; [FileFilter](./web-tls.filefilter.md)

## FileFilter type

文件过滤器

<b>Signature:</b>

```typescript
export declare type FileFilter = (file: File, index: number, array: File[]) => any;
```

## Remarks

与 `Array#filter()` 的回调函数一样

